package com.apple.controller;

import com.apple.common.R;
import com.apple.dto.DishDto;
import com.apple.entity.Category;
import com.apple.entity.Dish;
import com.apple.entity.DishFlavor;
import com.apple.service.CategoryService;
import com.apple.service.DishFlavorService;
import com.apple.service.DishService;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 菜品口味管理
 * */
@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;
    /**
     * 新增菜品
     * @param dishDto
     * @return
     * */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info("dishDto:{}",dishDto.toString());
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }
    /**
     * 菜品信息查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     * */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //构造分页构造器
        Page<Dish> pageInfo = new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage = new Page<>();
        //构造条件构造器
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(name!=null,Dish::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);
        //执行分页查询
        dishService.page(pageInfo,queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");//源对象，目标对象，忽略的属性
        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list =records.stream().map(item->{
           DishDto dishDto = new DishDto();
           BeanUtils.copyProperties(item,dishDto);
           Long categoryId = item.getCategoryId();
           // 根据id查询分类对象
           Category category = categoryService.getById(categoryId);
           if(category!=null){
               String categoryName = category.getName();
               dishDto.setCategoryName(categoryName);
           }
           return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);

        return R.success(dishDtoPage);
    }
    /**
     * 根据id查询菜品信息和对应的口味信息
     * @param id
     * @return
     * */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }
    /**
     * 修改菜品
     * @param dishDto
     * @return
     * */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info("dishDto:{}",dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功");
    }
    /**
     * 启用与停售
     * @param status
     * @param ids
     * @return
     * */
    @PostMapping("/status/{status}")
    public R<List<Dish>> status(@PathVariable Integer status, @RequestParam List<Long> ids) {
        // 根据id查询菜品信息
        LambdaQueryWrapper<Dish> wrapper = new LambdaQueryWrapper();
        // 批量查询
        wrapper.in(Dish::getId,ids);
        // 批量修改
        List<Dish> list = dishService.list(wrapper);
        List<Dish> list1 = list.stream().map((item) -> {
            item.setStatus(status);
            return item;
        }).collect(Collectors.toList());

        dishService.updateBatchById(list1);
        return R.success(list1);
    }
    /**
     * 菜品删除
     */
    @DeleteMapping
    public R<String> deleteDish(@RequestParam List<Long> ids) {
        log.info("删除菜品: {}", ids);
        dishService.removeWithFlavor(ids);
        return R.success("菜品删除成功");
    }
//    /**
//     * 根据条件查询菜品数据
//     * */
//    @GetMapping("/list")
//    public R<List<Dish>> list(Dish dish){
//        // 条件构造器
//        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
//        // 添加条件
//        queryWrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
//        queryWrapper.eq(Dish::getStatus, 1);
//        //排序条件
//        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
//        List<Dish> list = dishService.list(queryWrapper);
//
//        return R.success(list);
//    }
    /**
     * 根据条件查询菜品数据
     * */
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        // 条件构造器
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        // 添加条件
        queryWrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
        queryWrapper.eq(Dish::getStatus, 1);
        //排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);
        List<DishDto> dishDtoList =list.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item, dishDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId, dishId);
            List<DishFlavor> dishFlavorList = dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(dishFlavorList);
            //当前菜品id
            return dishDto;
        }).collect(Collectors.toList());
        return R.success(dishDtoList);
    }

}
